ChemicalBook > CAS DataBase List > Germanium(II) iodide

Germanium(II) iodide

Description References

Product Name: Germanium(II) iodide
CAS No.: 13573-08-5
Chemical Name: Germanium(II) iodide
Synonyms: GeI2;GERMANIUM DIIOIDE;GERMANIUM DIIODIDE;Reaxys ID: 16489539;GERMANIUM(II) IODIDE;germaniumiodide(gei2);Germanium iodide (II);Germanium(II) diiodide;GERMANIUM IODIDE YELLOW;Germanium iodide (GeI2)
CBNumber: CB6782508
Molecular Formula: GeI2
Formula Weight: 326.45
MOL File: 13573-08-5.mol

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Germanium(II) iodide Property

Melting point:: 460°C
Boiling point:: 545°C
Density: 5.37 g/mL at 25 °C(lit.)
storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
solubility: Soluble in dilute hydrochloric acid.
form: orange-yellow hexagonal crystals
Specific Gravity: 5.73
color: Yellow to brown
Water Solubility: soluble H2O [CRC10]
Sensitive: Air & Moisture Sensitive
CAS DataBase Reference: 13573-08-5(CAS DataBase Reference)
EPA Substance Registry System: Germanium iodide (GeI2) (13573-08-5)

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Safety

Hazard Codes: C
Risk Statements: 34
Safety Statements: 23-26-27-36/37/39-45
RIDADR: UN 3260 8/PG 2
WGK Germany: 3
F: 10-19-21
TSCA: Yes
HazardClass: 8
PackingGroup: II
HS Code: 2827600090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 383260
Product name: Germanium(II) iodide
Purity: ≥99.8% trace metals basis
Packaging: 1g
Price: $199
Updated: 2025/07/31

Strem Chemicals

Product number: 93-3205
Product name: Germanium(II) iodide (99.99+%-Ge) PURATREM
Packaging: 1g
Price: $159
Updated: 2024/03/01

Strem Chemicals

Product number: 93-3205
Product name: Germanium(II) iodide (99.99+%-Ge) PURATREM
Packaging: 5g
Price: $630
Updated: 2024/03/01

Chem-Impex

Product number: 35550
Product name: Germanium(II) iodide
Purity: ≥99.8% Metals basis
Packaging: 5G
Price: $660
Updated: 2021/12/16

Chem-Impex

Product number: 35550
Product name: Germanium(II) iodide
Purity: ≥99.8% Metals basis
Packaging: 1G
Price: $135
Updated: 2021/12/16

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Germanium(II) iodide Chemical Properties,Usage,Production

Description

Germanium diiodide (also named as germanium (II) iodide) is a yellow crystalline solid which decomposes on melting. Its specific density is 5.37. It can be sublimed at 240°C in a vacuum.¹It can be used to obtain high yield of germanium nanocrystals.²

References

https://en.wikipedia.org/wiki/Germanium_iodide
X. Lu, B. A. Korgel, K. P. Johnston, High yield of germanium nanocrystals synthesized from germanium diiodide in solution, Chemistry of Materials, 2005, vol. 17, pp. 6479-6485

Chemical Properties

Germanium(II) iodide is a yellow to gold flake or powder. It can dissolve in cold water, concentrated hydriodic acid, and dilute acid. It has limited solubility in chloroform and carbon tetrachloride, while it does not dissolve in carbon disulfide. It decomposes in hot water and reacts with an ammonia solution to form imine germanium. Under vacuum, it sublimates at 240°C. It remains stable in dry air but undergoes hydrolysis in moist air.

Uses

Germanium(II) iodide acts as a reagent that forms stable ionic adducts with carbenes. It is also used in the preparation of allylgermanes by reacting with allylstannanes. Further, it reacts with allyl bromide in the presence of zinc iodide to get allylgermanium(IV), which on reacts with carbonyl compounds to give the corresponding homoallylic alcohols.

Preparation

From a germanium sulfide powder by adding excess 57% concentrated hydriodic acid, under stirring at 100 ℃ for the reaction, filtered while hot, the filtrate is slowly cooled system. It can also be made by adding germanium tetraiodide to distilled water and 57% concentrated hydriodic acid with stirring, adding 50% hypophosphite, boiling under reflux, crystallizing after reaction, washing with dilute hydriodic acid and drying.

reaction suitability

reagent type: catalyst
core: germanium

Germanium(II) iodide Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Germanium(II) iodide manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Germanium(II) iodide 13573-08-5
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-01-10

13573-08-5, Germanium(II) iodide Related Search:

GERMANIUM TETRAIODIDE GERMANIUM(IV) ETHOXIDE GERMANIUM SELENIDE DIETHYLGERMANIUM DICHLORIDE Germanium oxide GERMANIUM CHLORIDE DIOXANE COMPLEX (1:1) TETRAETHYLGERMANE GERMANIUM (II) SULFIDE TRIETHYLGERMANIUM CHLORIDE DIMETHYLGERMANIUM DICHLORIDE TRIMETHYLGERMANIUM CHLORIDE Tetramethylgermane TRIPHENYLGERMANIUM CHLORIDE TETRA-N-BUTYLGERMANE GERMANIUM TETRABROMIDE Germanium Germanium(II) iodide TRIFLUOROMETHYLTRIIODOGERMANE

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Reaxys ID: 16489539

Germanium(II) iodide(GeI2)

GERMANIUM(II) IODIDE, 99.99+%

Germanium(II)iodide(99.99+%-Ge)PURATREM

Germanium(II) iodide, 99.999% (metals basis)

GERMANIUM(II) IODIDE

GERMANIUM IODIDE YELLOW

Germanium(II) Iodide 99%

GerManiuM(II) iodide, 99.99% (Metals basis)

Germanium(II) iodide >=99.8% trace metals basis

Germanium(II) iodide, 99.99% trace metals basis

GeI2

Germanium iodide (GeI2)

germaniumiodide(gei2)

Germanium(II) diiodide

Germanium iodide (II) 99,99%

Germanium iodide (II)

99.8% trace metals basis

13573-08-5

I2Ge

Catalysis and Inorganic Chemistry

Germanium Salts

Catalysis and Inorganic Chemistry

Chemical Synthesis

Crystal Grade Inorganics

Germanium

Materials Science

Metal and Ceramic Science

Salts

metal halide